TextInputLayout浮动时更改提示颜色

<com.google.android.material.textfield.TextInputLayout
    android:id="@+id/textInputLayout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:hint="Your hint text">

    <com.google.android.material.textfield.TextInputEditText
        android:id="@+id/editText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>

</com.google.android.material.textfield.TextInputLayout>

TextInputLayout textInputLayout = findViewById(R.id.textInputLayout);
textInputLayout.setDefaultHintTextColor(ColorStateList.valueOf(Color.RED));

textInputLayout.setHintTextColor(ColorStateList.valueOf(Color.BLUE));